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711 square-headed wasps, sand wasps, and allies species
Bembecinus neglectus
Tachytes validus
Steniolia obliqua
Philanthus pacificus
Zanysson texanus
Steniolia tibialis
Bicyrtes capnopterus
Nysson tristis
Larra analis
Hoplisoides tricolor
Stigmus americanus
Bembecinus nanus
Crabro florissantensis
Crossocerus lentus
Astata leuthstromi
Oxybelus niger
Epinysson tramosericus
Psen erythropoda
Eucerceris cressoni
Cerceris echo
Psenulus frontalis
Diodontus nigritus
Tachysphex alpestris
Didineis dilata
Stizus brevipennis
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